diff --git a/src/sbbs3/mailsrvr.vcxproj b/src/sbbs3/mailsrvr.vcxproj
index 3036722f53d22ae773c9ede5d7efaf2dd8da975b..cff40f58e81f4170be3ef50e86ee056bffc69e5c 100644
--- a/src/sbbs3/mailsrvr.vcxproj
+++ b/src/sbbs3/mailsrvr.vcxproj
@@ -166,6 +166,7 @@
     </Bscmake>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="..\encode\unicode.c" />
     <ClCompile Include="..\encode\utf8.c" />
     <ClCompile Include="ars.c">
       <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>